Seed Tests
Thousand Grain Weight (TGW)
Determination of the TGW is essential to enable accurate control of the seed rate when sowing to obtain the correct plant population target.
Sample Weight: 500g
Result: 2 Days
Rapid Seed Viability Embryo Test (Vitascope)
A test for cereals. It provides a quick indication of the seed's potential germination and will show which seeds will or will not produce growth. Seeds are soaked in a chemical solution for 20 minutes, Viable embryos are stained red, dead embryos do not stain.
This test will not detect abnormal growths caused by drying heat damage or mechanical damage. Badly sprouted seeds are recorded as dead.
This test cannot be performed on treated samples.
Sample Weight: 500g
Result: 2 Days
Stained Embryo Analysis (SEA)
A test for cereals. Seeds are soaked in warm water for 4 hours to facilitate removal of entire embryos. Embryos are then soaked overnight in a chemical solution and are then disected and examined individually under a microscope. Viable parts of the embryo can then be determined and also possible damage to the embryo which may cause abnormal growth.
This test cannot be performed on treated samples.
Sample Weight: 500g
Result: 4 Days
Full Germination Test
A test for cereals, oilseed rape, peas & beans
Two replicates of 100 seeds are grown under optimum conditions for a fixed period. Each seedling is then checked, and seedlings likely to produce healthy adult plants are counted. Each seedling is also tested for any abnormality which could prevent it from developing, giving an accurate guide to field potential.
This method by which germination is determined is the same as for certified seed, and is approved by DEFRA and prescribed by OSTS and the ISTA.
Sample Weight: 1000g
Result: 10-12 Days
Loose Smut
A test for barley only. The number of infected embryos is determined by microscopic examination after a chemical extraction process. The level of infection will help decide which seed treatment is needed.
Sample Weight: 1000g
Result: 8 Days
Ascochyta
A test for peas and beans to assess the infection level of this seed-borne disease in the seed lot and to help decide which seed treatment is needed.
Do not treat seed lots with high levels of infection.
Sample Weight: 1000g
Result: 12 Days
Stem Nematode

A test for Beans to assess the level of presence of nemaodes within the sample.

Do not sow seed lots with any presence of this problem.

Sample Weight: 1000g
Result: 8 Days
Linseed Seed-Borne Disease Test Package
Assesses the levels of the five major seed-borne diseases of linseed - Damping Off (Alternaria Linicola), Anthracnose (Colletotrichum Lini), Foot Rot (Phoma-exigua var Linicola), Grey Mould (Botrytis species), and Fusarium species.
Sample Weight: 1000g
Result: 14 Days
Crop Inspection
Seed Crops are examined by an Official Ministry of Agriculture licensed crop inspector to ensure that the seed meets a high certified standard in the field.

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